Caster wheel



FIG. 1 is a perspective view of a caster wheel showing the new design;

FIG. 2 is a side view of the caster wheel shown in FIG. 1;

FIG. 3 is a front view of the caster wheel shown in FIG. 1;

FIG. 4 is a rear view of the caster wheel shown in FIG. 1;

FIG. 5 is a top view of the caster wheel shown in FIG. 1; and,

FIG. 6 is a bottom view of the caster wheel shown in FIG. 1.

The broken lines shown in the drawings are provided to illustrate environmental structure of the caster that forms no part of the claimed design. 

The ornamental design for a caster wheel, as shown and described. 